1.00 - 1.49ct J SI2 Lab Grown Marquise
As of April 2026, there are 83 lab grown marquise diamonds with J color and SI2 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $193 USD to $15,026 USD, with an average of $3,583 USD.
Last updated: April 2026
Available
83
Lowest Price
$193 USD
Highest Price
$15,026 USD
Average Price
$3,583 USD
Market Intelligence
Retailers Selling
11
Cross Retailer %
N/A
Price Spread
28.7%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$1,241
Median
$1,521
90th Percentile
$1,996
Score Distribution
83 diamonds scored across 4 quality tiers
Excellent
3 (3.6%)
Very Good
23 (27.7%)
Good
25 (30.1%)
Average
32 (38.6%)
Find Your Diamond
Search 83 J SI2 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.